The R911332691 (HCS01.1E-W0018-A-02-E-S3-EC-NN-NN-NN-FW) is a Bosch Rexroth HCS01 series drive controller designed for the regulation of electric motors in industrial environments. It supports open-loop, closed-loop, and torque control modes, with advanced algorithmic controls for real-time motor management. The device operates with a 3-phase AC supply from 110 to 230 V ±10%, providing a peak current of 18 A. Its control section is the ECONOMY variant and is air-cooled via an integrated blower. The unit is prepared for SERCOS III communication and features a multi-encoder interface supporting IndraDyn, Hiperface, and EnDat 2.1/2.2 protocols. The controller protection rating is IP20, and it is designed to function in ambient temperatures from 0 to 40°C and at site elevations up to 1000 meters. Firmware must be ordered separately.